Definitely!

I had to stop taking Lyrica due to some side effects, I have been taking Neurontin (Gabapentin) with no side effects. I've tried Cymbalta to supplement the Neurontin and got better pain control, but had some side effects. I am now taking Pamelor (Nortriptyline) alongside the Neurontin with no side effects. These drugs are also much less harmful for your body than NSAIDs and Narcotics.

Two drugs better than one for chronic pain: study, gabapentin with nortriptyline

Nortriptyline and gabapentin, alone and in combination for neuropathic pain: a double-blind, randomised controlled crossover trial